﻿/*
 * Copyright 2009 David Revell
 * 
 * This file is part of SwiFTP.
 * 
 * SwiFTP is free software: you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * SwiFTP is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with SwiFTP. If not, see
 * <http://www.gnu.org/licenses/>.
 */

package com.shuqi.swiftp;

import java.io.File;

public class CmdRNTO extends FtpCmd implements Runnable {
    protected String input;

    public CmdRNTO(SessionThread sessionThread, String input) {
        super(sessionThread, CmdRNTO.class.toString());
        this.input = input;
    }

    public void run() {
        String param = getParameter(input);
        String errString = null;
        File toFile = null;
        mainblock: {
            toFile = inputPathToChrootedFile(sessionThread.getWorkingDir(), param);
            if (violatesChroot(toFile)) {
                errString = "550 Invalid name or chroot violation\r\n";
                break mainblock;
            }
            File fromFile = sessionThread.getRenameFrom();
            if (fromFile == null) {
                errString = "550 Rename error, maybe RNFR not sent\r\n";
                break mainblock;
            }
            if (!fromFile.renameTo(toFile)) {
                errString = "550 Error during rename operation\r\n";
                break mainblock;
            }
        }
        if (errString != null) {
            sessionThread.writeString(errString);
        } else {
            sessionThread.writeString("250 rename successful\r\n");
        }
        sessionThread.setRenameFrom(null);
    }
}
